NC1991-OD-NG

The NC1991OD: Tankless for Professionals

The Noritz NC1991OD features a BTU input range from 16,000 to 199,900. It also features outdoor compatibility, compact design, temperature controls, and multi-system capability.

Technical Literature

Technical Specs

Warranty

Heat Exchanger Warranty (w/out Recirculation) 5 Years
Heat Exchanger Warranty (w/Recirculation) 5 Years
Parts Warranty 5 Years
Labor Warranty 1 Year


For detailed warranty terms and conditions please refer to the Noritz warranty page
1323709-B

O-Ring - Thermistor High Temp P4 (replaced 1323709)

$7.91
101 In Stock
3223302-B

O-Ring - High Temp P16 (replaced 3223302)

$6.33
2974 In Stock
6340300-B

C Clamp - Water Pipe 16A (Replaced 6340300)

$6.33
77 In Stock
6340601

C Clamp - Gas Pipe 25.4

$9.49
Out of Stock
AAPL017

Gasket - Front Cover Sides

$6.33
1 In Stock
AMML001

Clamp -Freeze Prevention

$6.33
8 In Stock
BLBA001

Plug Sleeve

$3.16
237 In Stock
BWCD090-B

Magnetic Sensor - Replaced BWCD090

$47.45
11 In Stock
BWCD096

Thermistor - Hot Water

$31.64
109 In Stock
BWCD097-B

Thermistor - Cold Water (replaced BWCD097)

$31.64
49 In Stock
BWCD098-B

Thermistor -Heat Exchanger (replaced BWCD098)

$31.64
10 In Stock
BWCH003

Thermistor - Air

$31.64
11 In Stock
CK-49

Gas Conversion Kit (NG to LP)

$387.48
55 In Stock
CRUC045

Fan Plate ø44

$6.33
1 In Stock
CRUD055

C Clamp - Thermistor

$6.33
7 In Stock
CXPA026-B

Wire Grommet - Rubber

$6.33
1 In Stock
CZRL001

Gasket - Exhaust (OD)

$11.08
3 In Stock
DNSA025

Cover - External Remote Terminal Block

$7.91
Out of Stock
DNSA026

External Remote Terminal Block

$39.53
438 In Stock
DTJA015

Mounting Plate - Igniter

$7.91
Out of Stock
DTJD006

Water Filter Cap

$7.91
685 In Stock
EAAL002

Gasket - Front Cover Top and Bottom

$7.91
6 In Stock
EBTD023

Wire Cover - Servo

$6.33
18 In Stock
EFWC034

Burner Damper 17-14

$7.91
48 In Stock
EGBD032

Water Filter (replaced DTJD005)

$15.82
1089 In Stock
EGGD029

Safety Relief Valve

$39.53
5 In Stock
EGLH002

Clamp -Thermal Fuse

$7.91
20 In Stock
EHKL001

Gasket - Ignition Plug

$7.91
1001 In Stock
EJMD002

Inlet Water Connection (SET)

$79.09
124 In Stock
ELVH002

High Limit Switch

$15.82
77 In Stock
ELVK003

Label - Outside Front Cover Caution Label

$15.82
3 In Stock
ELVK009

Label - Name Plate

$7.91
1 In Stock
ELWE021

Inlet Gas Connection w/ Screw (SET)

$31.64
10 In Stock
ENJA025

Junction Box Cover

$31.64
8 In Stock
ENJJ020

Inlet Power Wires

$7.91
11 In Stock
ENWL005

Gasket - Junction Box Cover

$6.33
2 In Stock
ERDD011

Water Flow Sensor w/ thermistor (SET)

$63.26
255 In Stock
ERDH002

Freeze Prevention Heater - Rectangle

$15.82
9 In Stock
ERDH003

Freeze Prevention Heater - Round Short

$15.82
13 In Stock
ERDJ011

GFCI (Lightning Protection)

$31.64
95 In Stock
ERDJ112

Igniter (Replaced ERDJ012)

$47.45
567 In Stock
ERDL007

Gasket - Manifold Plate Top

$7.91
Out of Stock
ERDL009

Gasket - Manifold Plate Bottom

$7.91
Out of Stock
ESWC011

Mounting Plate - Ignition Plug

$7.91
16 In Stock
ESWD001

Pipe - Inlet to Bypass Servo

$31.64
49 In Stock
ESWJ015

Wiring Harness - Gas Valve

$71.17
10 In Stock
ESWL001

Gasket - Burner

$15.82
7 In Stock
ETFD010

Water Servo - Bypass (SET)

$110.72
339 In Stock
ETFD011

Water Servo - Main (SET)

$110.72
253 In Stock
ETFJ033

Wiring Harness - Bypass Water Servo

$31.64
136 In Stock